How does Word display navigation directory retrieve chapter directory retrieve navigation?

Sometimes, the document is very large, a lot of pages, we need to navigate the directory search, on the left side of the chapter directory, to facilitate the reading of documents. The left column shows the chapter directory.

1, the left column has nothing

2, the article is very big, the number of pages. What if there are too many chapters?

3, as shown, click "View", select "Navigation window"

4, see the left side of the navigation window is displayed, that is, chapters and directory shortcut keys

5, can stretch the width of the size

6, smaller

7, a little bigger

8, can also temporarily close the

9, remember to vote for me, huh?